mirror of
https://github.com/privatevoid-net/nix-super.git
synced 2024-11-10 08:16:15 +02:00
334 lines
8.7 KiB
Bash
334 lines
8.7 KiB
Bash
# NOTE: instances of @variable@ are substituted as defined in /mk/templates.mk
|
||
|
||
set -eu -o pipefail
|
||
|
||
if [[ -z "${COMMON_VARS_AND_FUNCTIONS_SH_SOURCED-}" ]]; then
|
||
|
||
COMMON_VARS_AND_FUNCTIONS_SH_SOURCED=1
|
||
|
||
isTestOnNixOS() {
|
||
[[ "${isTestOnNixOS:-}" == 1 ]]
|
||
}
|
||
|
||
die() {
|
||
echo "unexpected fatal error: $*" >&2
|
||
exit 1
|
||
}
|
||
|
||
set +x
|
||
|
||
commonDir="$(readlink -f "$(dirname "${BASH_SOURCE[0]-$0}")")"
|
||
|
||
source "$commonDir/subst-vars.sh"
|
||
# Make sure shellcheck knows all these will be defined by the above generated snippet
|
||
: "${bindir?} ${coreutils?} ${dot?} ${SHELL?} ${PAGER?} ${busybox?} ${version?} ${system?} ${BUILD_SHARED_LIBS?}"
|
||
|
||
source "$commonDir/paths.sh"
|
||
source "$commonDir/test-root.sh"
|
||
|
||
test_nix_conf_dir=$TEST_ROOT/etc
|
||
test_nix_conf=$test_nix_conf_dir/nix.conf
|
||
|
||
export TEST_HOME=$TEST_ROOT/test-home
|
||
|
||
if ! isTestOnNixOS; then
|
||
export NIX_STORE_DIR
|
||
if ! NIX_STORE_DIR=$(readlink -f $TEST_ROOT/store 2> /dev/null); then
|
||
# Maybe the build directory is symlinked.
|
||
export NIX_IGNORE_SYMLINK_STORE=1
|
||
NIX_STORE_DIR=$TEST_ROOT/store
|
||
fi
|
||
export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
|
||
export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
|
||
export NIX_STATE_DIR=$TEST_ROOT/var/nix
|
||
export NIX_CONF_DIR=$test_nix_conf_dir
|
||
export NIX_DAEMON_SOCKET_PATH=$TEST_ROOT/dSocket
|
||
unset NIX_USER_CONF_FILES
|
||
export _NIX_TEST_SHARED=$TEST_ROOT/shared
|
||
if [[ -n $NIX_STORE ]]; then
|
||
export _NIX_TEST_NO_SANDBOX=1
|
||
fi
|
||
export _NIX_IN_TEST=$TEST_ROOT/shared
|
||
export _NIX_TEST_NO_LSOF=1
|
||
export NIX_REMOTE=${NIX_REMOTE_-}
|
||
|
||
fi # ! isTestOnNixOS
|
||
|
||
unset NIX_PATH
|
||
export HOME=$TEST_HOME
|
||
unset XDG_STATE_HOME
|
||
unset XDG_DATA_HOME
|
||
unset XDG_CONFIG_HOME
|
||
unset XDG_CONFIG_DIRS
|
||
unset XDG_CACHE_HOME
|
||
|
||
export IMPURE_VAR1=foo
|
||
export IMPURE_VAR2=bar
|
||
|
||
cacheDir=$TEST_ROOT/binary-cache
|
||
|
||
readLink() {
|
||
ls -l "$1" | sed 's/.*->\ //'
|
||
}
|
||
|
||
clearProfiles() {
|
||
profiles="$HOME"/.local/state/nix/profiles
|
||
rm -rf "$profiles"
|
||
}
|
||
|
||
# Clear the store, but do not fail if we're in an environment where we can't.
|
||
# This allows the test to run in a NixOS test environment, where we use the system store.
|
||
# See doc/manual/src/contributing/testing.md / Running functional tests on NixOS.
|
||
clearStoreIfPossible() {
|
||
if isTestOnNixOS; then
|
||
echo "clearStoreIfPossible: Not clearing store, because we're on NixOS. Moving on."
|
||
else
|
||
doClearStore
|
||
fi
|
||
}
|
||
|
||
clearStore() {
|
||
if isTestOnNixOS; then
|
||
die "clearStore: not supported when testing on NixOS. If not essential, call clearStoreIfPossible. If really needed, add conditionals; e.g. if ! isTestOnNixOS; then ..."
|
||
fi
|
||
doClearStore
|
||
}
|
||
|
||
doClearStore() {
|
||
echo "clearing store..."
|
||
chmod -R +w "$NIX_STORE_DIR"
|
||
rm -rf "$NIX_STORE_DIR"
|
||
mkdir "$NIX_STORE_DIR"
|
||
rm -rf "$NIX_STATE_DIR"
|
||
mkdir "$NIX_STATE_DIR"
|
||
clearProfiles
|
||
}
|
||
|
||
clearCache() {
|
||
rm -rf "$cacheDir"
|
||
}
|
||
|
||
clearCacheCache() {
|
||
rm -f $TEST_HOME/.cache/nix/binary-cache*
|
||
}
|
||
|
||
startDaemon() {
|
||
if isTestOnNixOS; then
|
||
die "startDaemon: not supported when testing on NixOS. Is it really needed? If so add conditionals; e.g. if ! isTestOnNixOS; then ..."
|
||
fi
|
||
|
||
# Don’t start the daemon twice, as this would just make it loop indefinitely
|
||
if [[ "${_NIX_TEST_DAEMON_PID-}" != '' ]]; then
|
||
return
|
||
fi
|
||
# Start the daemon, wait for the socket to appear.
|
||
rm -f $NIX_DAEMON_SOCKET_PATH
|
||
PATH=$DAEMON_PATH nix --extra-experimental-features 'nix-command' daemon &
|
||
_NIX_TEST_DAEMON_PID=$!
|
||
export _NIX_TEST_DAEMON_PID
|
||
for ((i = 0; i < 300; i++)); do
|
||
if [[ -S $NIX_DAEMON_SOCKET_PATH ]]; then
|
||
DAEMON_STARTED=1
|
||
break;
|
||
fi
|
||
sleep 0.1
|
||
done
|
||
if [[ -z ${DAEMON_STARTED+x} ]]; then
|
||
fail "Didn’t manage to start the daemon"
|
||
fi
|
||
trap "killDaemon" EXIT
|
||
# Save for if daemon is killed
|
||
NIX_REMOTE_OLD=$NIX_REMOTE
|
||
export NIX_REMOTE=daemon
|
||
}
|
||
|
||
killDaemon() {
|
||
if isTestOnNixOS; then
|
||
die "killDaemon: not supported when testing on NixOS. Is it really needed? If so add conditionals; e.g. if ! isTestOnNixOS; then ..."
|
||
fi
|
||
|
||
# Don’t fail trying to stop a non-existant daemon twice
|
||
if [[ "${_NIX_TEST_DAEMON_PID-}" == '' ]]; then
|
||
return
|
||
fi
|
||
kill $_NIX_TEST_DAEMON_PID
|
||
for i in {0..100}; do
|
||
kill -0 $_NIX_TEST_DAEMON_PID 2> /dev/null || break
|
||
sleep 0.1
|
||
done
|
||
kill -9 $_NIX_TEST_DAEMON_PID 2> /dev/null || true
|
||
wait $_NIX_TEST_DAEMON_PID || true
|
||
rm -f $NIX_DAEMON_SOCKET_PATH
|
||
# Indicate daemon is stopped
|
||
unset _NIX_TEST_DAEMON_PID
|
||
# Restore old nix remote
|
||
NIX_REMOTE=$NIX_REMOTE_OLD
|
||
trap "" EXIT
|
||
}
|
||
|
||
restartDaemon() {
|
||
if isTestOnNixOS; then
|
||
die "restartDaemon: not supported when testing on NixOS. Is it really needed? If so add conditionals; e.g. if ! isTestOnNixOS; then ..."
|
||
fi
|
||
|
||
[[ -z "${_NIX_TEST_DAEMON_PID:-}" ]] && return 0
|
||
|
||
killDaemon
|
||
startDaemon
|
||
}
|
||
|
||
if [[ $(uname) == Linux ]] && [[ -L /proc/self/ns/user ]] && unshare --user true; then
|
||
_canUseSandbox=1
|
||
fi
|
||
|
||
isDaemonNewer () {
|
||
[[ -n "${NIX_DAEMON_PACKAGE:-}" ]] || return 0
|
||
local requiredVersion="$1"
|
||
local daemonVersion=$($NIX_DAEMON_PACKAGE/bin/nix daemon --version | cut -d' ' -f3)
|
||
[[ $(nix eval --expr "builtins.compareVersions ''$daemonVersion'' ''$requiredVersion''") -ge 0 ]]
|
||
}
|
||
|
||
skipTest () {
|
||
echo "$1, skipping this test..." >&2
|
||
exit 99
|
||
}
|
||
|
||
TODO_NixOS() {
|
||
if isTestOnNixOS; then
|
||
skipTest "This test has not been adapted for NixOS yet"
|
||
fi
|
||
}
|
||
|
||
requireDaemonNewerThan () {
|
||
isDaemonNewer "$1" || skipTest "Daemon is too old"
|
||
}
|
||
|
||
canUseSandbox() {
|
||
[[ ${_canUseSandbox-} ]]
|
||
}
|
||
|
||
requireSandboxSupport () {
|
||
canUseSandbox || skipTest "Sandboxing not supported"
|
||
}
|
||
|
||
requireGit() {
|
||
[[ $(type -p git) ]] || skipTest "Git not installed"
|
||
}
|
||
|
||
fail() {
|
||
echo "test failed: $1" >&2
|
||
exit 1
|
||
}
|
||
|
||
# Run a command failing if it didn't exit with the expected exit code.
|
||
#
|
||
# Has two advantages over the built-in `!`:
|
||
#
|
||
# 1. `!` conflates all non-0 codes. `expect` allows testing for an exact
|
||
# code.
|
||
#
|
||
# 2. `!` unexpectedly negates `set -e`, and cannot be used on individual
|
||
# pipeline stages with `set -o pipefail`. It only works on the entire
|
||
# pipeline, which is useless if we want, say, `nix ...` invocation to
|
||
# *fail*, but a grep on the error message it outputs to *succeed*.
|
||
expect() {
|
||
local expected res
|
||
expected="$1"
|
||
shift
|
||
"$@" && res=0 || res="$?"
|
||
if [[ $res -ne $expected ]]; then
|
||
echo "Expected exit code '$expected' but got '$res' from command ${*@Q}" >&2
|
||
return 1
|
||
fi
|
||
return 0
|
||
}
|
||
|
||
# Better than just doing `expect ... >&2` because the "Expected..."
|
||
# message below will *not* be redirected.
|
||
expectStderr() {
|
||
local expected res
|
||
expected="$1"
|
||
shift
|
||
"$@" 2>&1 && res=0 || res="$?"
|
||
if [[ $res -ne $expected ]]; then
|
||
echo "Expected exit code '$expected' but got '$res' from command ${*@Q}" >&2
|
||
return 1
|
||
fi
|
||
return 0
|
||
}
|
||
|
||
# Run a command and check whether the stderr matches stdin.
|
||
# Show a diff when output does not match.
|
||
# Usage:
|
||
#
|
||
# assertStderr nix profile remove nothing << EOF
|
||
# error: This error is expected
|
||
# EOF
|
||
assertStderr() {
|
||
diff -u /dev/stdin <($@ 2>/dev/null 2>&1)
|
||
}
|
||
|
||
needLocalStore() {
|
||
if [[ "$NIX_REMOTE" == "daemon" ]]; then
|
||
skipTest "Can’t run through the daemon ($1)"
|
||
fi
|
||
}
|
||
|
||
# Just to make it easy to find which tests should be fixed
|
||
buggyNeedLocalStore() {
|
||
needLocalStore "$1"
|
||
}
|
||
|
||
enableFeatures() {
|
||
local features="$1"
|
||
sed -i 's/experimental-features .*/& '"$features"'/' "$test_nix_conf_dir"/nix.conf
|
||
}
|
||
|
||
set -x
|
||
|
||
onError() {
|
||
set +x
|
||
echo "$0: test failed at:" >&2
|
||
for ((i = 1; i < ${#BASH_SOURCE[@]}; i++)); do
|
||
if [[ -z ${BASH_SOURCE[i]} ]]; then break; fi
|
||
echo " ${FUNCNAME[i]} in ${BASH_SOURCE[i]}:${BASH_LINENO[i-1]}" >&2
|
||
done
|
||
}
|
||
|
||
# `grep -v` doesn't work well for exit codes. We want `!(exist line l. l
|
||
# matches)`. It gives us `exist line l. !(l matches)`.
|
||
#
|
||
# `!` normally doesn't work well with `set -e`, but when we wrap in a
|
||
# function it *does*.
|
||
grepInverse() {
|
||
! grep "$@"
|
||
}
|
||
|
||
# A shorthand, `> /dev/null` is a bit noisy.
|
||
#
|
||
# `grep -q` would seem to do this, no function necessary, but it is a
|
||
# bad fit with pipes and `set -o pipefail`: `-q` will exit after the
|
||
# first match, and then subsequent writes will result in broken pipes.
|
||
#
|
||
# Note that reproducing the above is a bit tricky as it depends on
|
||
# non-deterministic properties such as the timing between the match and
|
||
# the closing of the pipe, the buffering of the pipe, and the speed of
|
||
# the producer into the pipe. But rest assured we've seen it happen in
|
||
# CI reliably.
|
||
grepQuiet() {
|
||
grep "$@" > /dev/null
|
||
}
|
||
|
||
# The previous two, combined
|
||
grepQuietInverse() {
|
||
! grep "$@" > /dev/null
|
||
}
|
||
|
||
# Return the number of arguments
|
||
count() {
|
||
echo $#
|
||
}
|
||
|
||
trap onError ERR
|
||
|
||
fi # COMMON_VARS_AND_FUNCTIONS_SH_SOURCED
|